Perhaps you should try some spelling variations:
role sproule » robert sproule, role should, role role
world role » world robert
tcp world » tptp world, app world, up world
2008 tcp » 2008 acm, 2008 ts, 2008 two
8 third » 7 third, 11 third

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: 2008 tcp world role sproule ((8 third) OR (3 third)).
• Adding a wildcard symbol may retrieve word variants: 2008 tcp world role sproule ((8 third) or (3 third))*.